## Laser induced dielectric breakdown has &en utilized to initiate, sustain and study a number of chemical reactions. A I joule per Iine TEA CO2 Iaser has been used as the source to induce dielectric breakdown. Product analysis was caxried out by mass spectrometry and infrared spcc%oscop~. The rea
Laser induced sulfur particulate formation
β Scribed by S.T. Lin; A.M. Ronn
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 967 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
hlultiphoton absorption processes and laser induced dielectnc breakdown studies of the reaction of SF6 and SFe/Hz mbturss have been carried out at a van&y of pressures and laser fluences_ Formation of SF+. SOF4 and S02Fz can be shown to proceed via conventional, thermodynamically controlled reaction dynamics. Formation of sulfur particles can be shown to proceed via sulfur atom homogeneous nucleation t&m the gas phase.
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We have computed time-dependent probabilities of formation of the HeH\* bound excited states, at their equilibrium distance of about R,, = 1.5 au, upon realistic femtosecond laser excitation during the slow collision of He with H on the ground repulsive surface. The computation involved the time int
## Abstract ## Background and Objective Monitoring dynamic changes during laser induced photothermolysis of vascular skin lesions is essential for obtaining an optimal therapeutic result. Rapid photoinduced thermal damage occurs at a threshold temperature of about 70Β°C. It is therefore, relevant t